35981085687 has 8 divisors (see below), whose sum is σ = 48440555904. Its totient is φ = 23754502968.

The previous prime is 35981085607. The next prime is 35981085719. The reversal of 35981085687 is 78658018953.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 35981085687 - 2²⁰ = 35980037111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35981085687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35981085607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58221513 + ... + 58222130.

It is an arithmetic number, because the mean of its divisors is an integer number (6055069488).

Almost surely, 2^35981085687 is an apocalyptic number.

35981085687 is a deficient number, since it is larger than the sum of its proper divisors (12459470217).

35981085687 is a wasteful number, since it uses less digits than its factorization.

35981085687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116443749.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 35981085687 in words is "thirty-five billion, nine hundred eighty-one million, eighty-five thousand, six hundred eighty-seven".